Mercedes Ride Quality Issues


I'm not sure whether C and E class are using the same suspension system or not, but one fact is that they both have totally different ride comfort. As known the ride quality depends on so many factors: Tires, Rim size, Spring, Shock absorber, sway bar, chassis rigidity...etc., this makes me think if both are using the same suspension system (which is the most important factor) how is the ride quality totally different ? my car even have the optional 15 mm lowered chassis, so I assume the normal E would be more comfortable.

Wheelbase would also be a factor I think.

Are you happy with the ride on your E @Eng.ahad? Do you have airmatic or steel suspension? What tyre size do you have and are they run flats? Do the roads have high frequency surface imperfections where you are?
 
In this 2 hour video head of W213 prototype testing and the chief engineer talk quite a bit about the suspension, seats, NVH etc etc. After watching it a few times back in December 2015, was quite impressed, and started to suspect a Mercedes-Maybach E might be in the pipeline. Was not the case, though, and/or was put on hold for a later time. The vid is in German, though. :)

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I should have paid attention in German classes. :)
 
A key consideration is this: what size rims are these Benzes in question (or any premium car for that matter) running on today vs 10, 15 years ago? What's the average aspect ratio down to? Then factor in run-flat sidewalls... All of this adds up to one of the biggest contributors to the degradation in secondary ride quality (that which is affected by sharp, high-frequency surface faults).

That as well. Gone are the days when your average E-Class came with Michelin Primacy 205/55R16. Now you start with low profile 18" wheels with rock hard Continentals!

Even the tyre makes way too much of a difference!
 
Sometimes it appears there's no consistency to what tyres are fitted and it seems like the factory just fits what they can get from the suppliers for the cheapest price at the time. I wonder if this is true.
 
^ Doubtful. In case you missed this the other day. :)

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Long-time Mercedes partner and first supplier for the E-Class, Goodyear, zooms in its new generation Eagle F1 Asymmetric 3 summer tire. Goodyear has a proud tradition of innovation that helps fulfilling the current and future needs of OE manufacturers and consumers across the world.

Performance is no longer reserved for luxury and high-end performance cars. Mainstream cars have irreversibly entered the game, as one of the many effects of motorization. Goodyear has taken on the challenge by delivering a new Ultra High Performance tire.

The new or upgraded key technologies can be visualized in three parts of the tire (the pattern, the compound and the construction), resulting in a reliable Ultra High Performance tire, offering the following key benefits:
  • Braking distance: the Eagle F1 Asymmetric 3 is equipped with the Active Braking Technology that increases the contact surface when braking, meaning shorter braking distances.
  • Grip: the grip booster compound with adhesive resin ensures the tire sticks to the road.
  • Steering: compared to its predecessor, the Eagle F1 Asymmetric 3 has a stronger lightweight construction, which improves handling, cornering performance fuel efficiency and slows down tread wear.
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Goodyear’s all-new tire’s advanced technology was recognized by independent tests, showcasing strong results and confirming our leader’s position. Firstly, the Eagle F1 Asymmetric 3 scored extremely well compared to its tested competitors with the independent TÜV Süd Benchmark Test, particularly for:
  • Wet braking: 2.6 meters shorter braking distance on wet roads, i.e. 9% better performance;
  • Dry braking: 1.3 meters shorter braking distance on dry roads, or 4% better performance5;
  • Wet handling: 4% better wet handling.
The same test results also showed a 10.9 % better rolling resistance compared to the average of the three tested competitors, which represents the second best rolling resistance performance of the tire brands tested.

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Goodyear’s team of engineers worked over 36,000 hours on the development of this new summer tire. Subsequently, the Eagle F1 Asymmetric 3 passed more than 5000 tests, covering a total of 330,000 kilometers.

Apart from Mercedes and its E-Class, the Goodyear Eagle F1 family is fitted by most leading car manufacturers. At the moment, the Goodyear Eagle F1 Asymmetric 3 has already 41 sizes on the market. The tire has been available since December 2015 in 41 different sizes (ranging from 17 inches up to 20 inches) and the range will be completed by March 2016.

http://mercedesblog.com/goodyear-launches-new-eagle-f1-asymmetric-3-summer-tire/
 
The AMG pack upgrades these to 19 or 20 inch low profile tyres depending on the model.

There lies the problem. Sporty AMG suspension + low profile tyes = compromised ride quality. Audi S Line and BMW M-Sport tried are no different.

A friend of mine returned his B-Class AMG line to the dealer after 18 months because it was simply not a comfort car.
 
There lies the problem. Sporty AMG suspension + low profile tyes = compromised ride quality. Audi S Line and BMW M-Sport tried are no different.

A friend of mine returned his B-Class AMG line to the dealer after 18 months because it was simply not a comfort car.

My BMW 340i with 19 inch low profile run flats is not as affected by the high frequency bumps as mum's C250 with airmatic, 19 inch low profile run flats.
 
Wheelbase would also be a factor I think.

Are you happy with the ride on your E @Eng.ahad? Do you have airmatic or steel suspension? What tyre size do you have and are they run flats? Do the roads have high frequency surface imperfections where you are?

As noted before, I have the steel suspension , Rim size is 20'' and If I'm not mistaken the car is fitted with 245/35/20 Goodyear Run-on flat. Yes, of course you can feel the sharp bumps, but overall comfort is satisfying based in these conditions, even the passengers feel comfortable and isolated from noise.
 

Mercedes-Benz

Mercedes-Benz Group AG is headquartered in Stuttgart, Germany. Established in 1926, Mercedes-Benz Group produces consumer luxury vehicles and light commercial vehicles badged as Mercedes-Benz, Mercedes-AMG, and Mercedes-Maybach. Its origin lies in Daimler-Motoren-Gesellschaft's 1901 Mercedes and Carl Benz's 1886 Benz Patent-Motorwagen, which is widely regarded as the first internal combustion engine in a self-propelled automobile. The slogan for the brand is "the best or nothing".
Official website: Mercedes-Benz (Global), Mercedes-Benz (USA)

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